minor whitespace fixes

(cherry picked from commit ad9b31d)

Conflicts:
	mirah-parser/src/mirah/lang/ast/ast.mirah
	src/org/mirah/typer/better_closures.mirah

Author: uujava

src/org/mirah/macros/builder.mirah

@@ -160,7 +160,7 @@ class MacroBuilder; implements org.mirah.macros.Compiler
 
   end
 
-  def buildExtension(cloned: MacroDefinition, orig: MacroDefinition )
+  def buildExtension(cloned: MacroDefinition, orig: MacroDefinition)
     @scopes.copyScopeFrom(orig, cloned)
     ast = constructAst(cloned)
 
@@ -543,4 +543,4 @@ class MacroBuilder; implements org.mirah.macros.Compiler
     end
     Fixnum.new(0)
   end
-end
+end

src/org/mirah/typer/better_closures.mirah

@@ -255,7 +255,7 @@ class BetterClosureBuilder < ClosureBuilderHelper
         constructor_params, nil)
       typer.workaroundASTBug new_node
 
-      
+
 
       if block.parent.kind_of?(CallSite)
         parent = block.parent:CallSite